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Oldest-Known Fossil of Bi-Lateral Creature Found

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Oldest-Known Fossil of Bi-Lateral Creature Found

Science

Oldest-Known Fossil of Bi-Lateral Creature Found

Oldest-Known Fossil of Bi-Lateral Creature Found

  • Download
  • <iframe src="https://www.npr.org/player/embed/1954915/1954916" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

NPR's Alex Chadwick talks with David Bottjer, Earth Sciences professor with the University of Southern California, about the discovery in China of what's thought to be one of the earliest fossils of a bi-lateral creature — a life form with left and right sides, and top and bottom.